Studies increasingly find links between higher concentrations of certain pollutants and the prevalence of dementia.

Former AIIMS director Dr. Randeep Guleria warns that toxic air is damaging not just lungs, but hearts, brains, and even ...

Air in the U.S. has gotten cleaner for decades, adding years to people's lives and preventing millions of asthma attacks, but nearly half of Americans still live with unhealthy air pollution, a new ...

Delhi is facing a severe public health emergency because of the worsening air pollution this winter. The toxic smog is ...

Only two counties in Indiana require emissions tests for some passenger cars Lake and Porter. State lawmakers have long ...

Fireworks on the Fourth of July bring a uniquely abrasive spirit of festivity to Southern California — along with terrible air pollution. Nearly every year, the region experiences its most hazardous ...

Doctors, environmental groups and residents are trying to figure out if there is a causal connection between pollutants from the steel industry and rates of cancer in Gary, Indiana. Pollutants you can ...

Editor’s Note: Call to Earth is a CNN editorial series committed to reporting on the environmental challenges facing our planet, together with the solutions. Rolex’s Perpetual Planet Initiative has ...